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What You Must Know About Knee Implants When the surgeon has considered to have a total knee replacement for their patient, they always consider their patient’s lifestyle, age and the damage to the joint. Aside from that, the decision of the surgeon to use such procedure than other one kind of implant mostly depends on their clinical situation as well as training. Every knee implant design has its own merits and demerits, but no matter what implant your surgeon opted to use, it is great to know that total knee replacement (TKR) surgeries are offering the highest success rate among orthopedic operations. But before you make a decision, it is highly advisable if you are going to do research on all of your options before you come up to a decision. What happens in TKR is it replaces damaged bearing surfaces to your knees that causes the pain. At the lower end of femur or the thigh bone, the bone is trimmed in order to accept the metal component that’s specifically shaped for it while shin bone or the upper end of tibia is trimmed too so it will accept the metal tray. In the tray, it is actually where the plastic bearing will be fitted.
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The metal components may be secured to the surfaces of the cut bone by your surgeon’s choice of non-cement method or also called as bone in-growth or bone cement. Normally, a big percentage of knee replacements are cemented in place. As a matter of fact, this is one thing that you have to inquire in your surgeon.
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Now for the outer surface of femoral component, it’s shaped to let the patellar or the kneecap to slip up and down. The surgeon can opt either to re-surface it or retain the natural kneecap. The cruciate ligaments are the primary ligaments in the knee. To the movements of your knee, this is providing stability and support. The cruciate ligaments in TKR may be removed or kept and this decision will mostly depend on its condition, the surgery the surgeon will be performing and type of the knee implant. It would either be mobile-bearing or fixed for the plastic bearing to your new knee joint. What this mean is that, the polyethylene insert is able to move on rotating metal base or clicked to a stationary platform. Many patients get the fixed bearing prosthesis that is dramatically reduces the pain in the knee and can last for quite a long time. Say that you’re more active, overweight and/or young, there are times that the doctor is going to suggestion you to go with the mobile-bearing or the rotating platform knee replacement.